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love history [14]
3 years ago
9

What are two scientific ideas that have changed throughout and why they have changed?

Biology
1 answer:
enyata [817]3 years ago
8 0
One is that the earth is shaped as a circle and two is that it is shaped as a square
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One way the body fights invaders is by increasing the body temperature, or running a fever. Give a brief explanation as
goldfiish [28.3K]

Answer:

It can work against some viruses or bacteria by sweating out the invaders.

Explanation:

5 0
3 years ago
Scientist claims that Elysia chlorotica, a species of Sea slug, is capable of photosynthesis. which of the following observation
joja [24]

Answer:

The correct answer is - B) Elysia Chlorotica grows when exposed to light in the absence of other food sources

Explanation:

If placing Elysia Chlorotica in presence of the food sources in the presence or absence of light it still grows as normal. However, if placing in the light in absence of the food sources it should not grow if it is not able to perform photosynthesis but it does which means there is a photosynthesis process also involve in the Elysia.

Photosynthesis is the process that involves the production of energy and nutrition in presence of light with water and atmospheric carbon dioxide.

6 0
3 years ago
Which cells possess a nucleus l? What is the purpose of a nucleus and DNA found within it?
Westkost [7]

Eukaryotic cells posses a nucleus the purpose of the nucleus is it stores DNA which is the genetic material for the cell DNA acts as an instruction manual for the other organelles in the cell. While prokaryotic cells do not have a nucleus they still have dna but it’s floating around freely

3 0
3 years ago
Temperature in the tropics all year, whereas temperature at higher latitudes. Organisms that are physiologically adapted to cons
Reptile [31]

Answer:

May not

Explanation:

Adaptation is made possible as a result of an organism being exposed to different environmental conditions. These exposure makes it adopt different techniques for its survival which eventually results in it being adapted to the condition and is then passed on as traits to its offsprings. They are then able to survive when met with such environmental condition.

When an organism is exposed to the same conditions all the time then there is lack of genetic variation and adaptation may not occur.

6 0
3 years ago
Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in
Viktor [21]

Answer:

Mutations are only passed on to offspring when they occur in germ cell DNA, which are the cells that create sperm or ova. The other kind of cells, somatic cells, are the rest of the cells in the body, and mutations that occur in these cells do not get passed on to offspring.

Explanation:

i had the same thing for health

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3 years ago
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